Espresso machine



FIG. 1 is an elevational view of one side of an espresso machine showingmy new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is an elevational view showing the other side thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a perspective view thereof.

The ornamental design for an espresso machine, as shown.